Those students who have been doing their work all term need not feel apprehensive about the final examination

Apropos (adj): ap-ruh-poh
Something
which is apropos, or apropos of, a subject or event, is connected with
it or relevant to it = with reference to, with reference to; properly

All my suggestions apropos the script were accepted

Aquiline (adj): ak-wuh-lahyn, -lin
If someone has an aquiline nose or profile, their nose is large, thin, and usually curved = curved, hooked

Why does the villain always have an aquiline nose?

Arable (adj): ar-uh-buhl
Arable
farming involves growing crops such as wheat and barley rather than
keeping animals or growing fruit and vegetables Arable land is land that
is used for arable farming = fit for plowing

The potential economic damage is not restricted to arable farming

Arbitrary (adj): ahr-bi-trer-ee
If
you describe an action, rule, or decision as arbitrary, you think that
it is not based on any principle, plan, or system It often seems unfair
because of this= unreasonable